There are many reasons why Rome expanded. For example, they expanded to get more resources.They got more resources because when they expanded, they were closer to more areas.They wanted more resources so they can make things out of them and then trade the left overs, which gives them more money. Also, they wanted to expand for trade. Trade got easier because when they expanded, the closer they were, so then it wasn't hard to get from place to place.Trade made you wealthier as well. Finally, they expanded for military conquest. Being so close together, made it easier to conquer. Therefore, there are many reasons why Rome expanded.
*All units are in miles